CN110365727A

CN110365727A - Communication means and relevant apparatus

Info

Publication number: CN110365727A
Application number: CN201810313185.XA
Authority: CN
Inventors: 周汉; 李汉成
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2018-04-09
Filing date: 2018-04-09
Publication date: 2019-10-22
Anticipated expiration: 2038-04-09
Also published as: CN110365727B; WO2019196811A1

Abstract

The application provides a kind of communication means and communication device.The communication means, which includes: endpoint of a tunnel network element, receives first message from conversation management functional network element, include mark, the first address information of the first group identification and the first user plane functions network element of first terminal in first message, is that first terminal creates Packet Data Unit session for requesting；Endpoint of a tunnel network element generates the context of first terminal according to first message, and the group identification that first terminal is recorded in the context of first terminal is the first group identification, and recording the address information of the user plane functions network element of first terminal is the first address information.Communication means and communication device provided by the present application help more easily to manage the address information of the UPF network element on AN.

Description

Communication means and relevant apparatus

Technical field

This application involves the communications fields, and more particularly, to communication means and relevant apparatus.

Background technique

In communication system, in the Packet Data Unit of terminal (user equipment, UE) access data network (data) In (packet data unit, PDU) session establishment process, conversation management functional (session management Function, SMF) network element can be the terminal distribution Internet protocol address (internet protocol, IP) and user plane functions The N3 interface IP address of (user plane function, UPF) network element, wherein SMF network element is the IP address of the terminal distribution Need to belong to the routing address pond that the UPF network element is externally issued.

After SMF network element knows that the UPF network element breaks down or overloads, SMF network element can select that the UPF can be substituted The new UPF network element of network element, and rebuild on new UPF network element the PDU session of UE on the UPF network element of failure or overload.

In the reconstruction process of PDU session, SMF is respectively necessary for the access net (access to new UPF network element and UE Network, AN) send PDU conversation establishing request message and PDU session updates message.New UPF network element can be created according to the session The PDU session of request message creation UE is built, AN can according to the N3 interface IP in PDU session updates information updating UE context Location.

Wherein, SMF network element needs to send a PDU to AN for each PDU session on the UPF network element of failure or overload Session updates message, to update the N3 interface IP address of the UPF network element recorded in UE context.This will lead to signaling overheads compared with Greatly.

Summary of the invention

The application provides a kind of communication means and communication device, facilitates the ground for more easily managing user plane functions network element Location information.

In a first aspect, this application provides a kind of communication means.The communication means includes: endpoint of a tunnel network element from session pipe It manages functional network element and receives first message, include mark, the first group identification and the first user face of first terminal in first message First address information of functional network element is that first terminal creates Packet Data Unit session for requesting；Endpoint of a tunnel network element root The context of first terminal is generated according to first message, and the group identification of record first terminal is in the context of first terminal First group identification, and recording the address information of the user plane functions network element of first terminal is the first address information.

In the communication means, endpoint of a tunnel network element receives first message from conversation management functional network element, in first message not Only include the address information of user plane functions network element, further includes the group identification information of first terminal, facilitate in subsequent process More easily the address information of the user plane functions network element of first terminal is managed.

With reference to first aspect, in the first possible implementation, the communication means further include: endpoint of a tunnel network element from Conversation management functional network element receives second message, includes the first group identification and second user face functional network element in second message Second address information, for requesting the user face function of one or more terminals in corresponding first group of the first group identification The address information of energy network element is revised as the second address information；Endpoint of a tunnel network element is true according to the first group identification in second message Determine first terminal, and the first address information in the address information of the user plane functions network element of first terminal is revised as the second ground Location information.

In the implementation, endpoint of a tunnel network element receives second message from conversation management functional network element, and disappears according to second The address information of the user plane functions network element of the corresponding one or more terminals of the first group identification of batch updating is ceased, so as to Improve the management convenience of the address information to the user plane functions network element of terminal.

In conjunction with the first possible implementation, in the second possible implementation, second message is packet data Unit session modification request message.

With reference to first aspect or the possible implementation of any one of the above, in the third possible implementation, One message is Packet Data Unit conversation establishing request message.

Second aspect, present applicant proposes a kind of communication means.The communication means includes: endpoint of a tunnel network element from session pipe It manages functional network element and receives second message, include the second ground of the first group identification and second user face functional network element in second message Location information, for requesting the user plane functions network element of one or more terminals in corresponding first group of the first group identification Address information be revised as the second address information；

Endpoint of a tunnel network element is according to second message, eventually by the one or more in corresponding first group of the first group identification The address information recording of the user plane functions network element at end is the second address information.

In the communication means, endpoint of a tunnel network element receives second message from session management network element, and will according to second message The address information of the user plane functions network element of one or more terminals is revised as the second address information, so as to improve to terminal User plane functions network element address information management convenience.

In conjunction with second aspect, in the first possible implementation, second message is Packet Data Unit modification request Message.

In conjunction with second aspect or the first possible implementation, in the second possible implementation, the first group In one or more terminals include first terminal.

Wherein, before endpoint of a tunnel network element receives second message from conversation management functional network element, the communication means further include:

Endpoint of a tunnel network element receives first message from conversation management functional network element, includes the mark of first terminal in first message Know, the first address information of the first group identification and the first user plane functions network element, is first terminal creation grouping for requesting Data cell session；

Endpoint of a tunnel network element generates the context of first terminal according to first message, and remembers in the context of first terminal The group identification for recording first terminal is the first group identification, and records the address information of the user plane functions network element of first terminal For the first address information.

Endpoint of a tunnel network element is according to second message, eventually by the one or more in corresponding first group of the first group identification The address information recording of the user plane functions network element at end is the second address information, comprising:

Endpoint of a tunnel network element is according to second message, by first in the address information of the user plane functions network element of first terminal Address information is revised as the second address information.

In the implementation, endpoint of a tunnel network element first receives the first group mark of first terminal from conversation management functional network element Know, to facilitate endpoint of a tunnel network element according to second message, by the use of the corresponding one or more terminals of the first group identification The address information of family face functional network element is updated to the second address information.

In conjunction with second of possible implementation, in the third possible implementation, first message is packet data Unit conversation establishing request message.

The third aspect, this application provides a kind of communication means.The communication means includes: that conversation management functional network element determines It needs to create Packet Data Unit session for first terminal；Conversation management functional network element knows the first user face function of first terminal It can network element；Conversation management functional network element knows the first group identification of first terminal；Conversation management functional network element is to endpoint of a tunnel Network element sends first message, includes mark, the first group identification and the first user plane functions net of first terminal in first message First address information of member is that first terminal creates Packet Data Unit session for requesting.

In the communication means, conversation management functional network element sends first message to endpoint of a tunnel network element, in first message not Only include the address information of user plane functions network element, further includes the group identification information of first terminal, facilitate in subsequent process More easily the address information of the user plane functions network element of first terminal is managed.

In conjunction with the third aspect, in the first possible implementation, first message is Packet Data Unit conversation establishing Request message.

In conjunction with the third aspect or the first possible implementation, in the second possible implementation, session management Functional network element knows the first group identification of first terminal, comprising:

The address information of conversation management functional network element acquisition first terminal；

Conversation management functional network element determines that the address of first terminal belongs to the first address according to the address information of first terminal Section；

Conversation management functional network element determines the first group identification according to the first address field.

In conjunction with the third aspect or the first possible implementation, in the third possible implementation, session management Functional network element knows the first group identification of first terminal, comprising:

Conversation management functional network element receives the first instruction information from the first user plane functions network element, and the first instruction information is used for The group identification for indicating first terminal is the first group identification；

Conversation management functional network element determines the first group identification according to the first instruction information.

In conjunction with the third aspect or the first any one possible implementation into the third, in the 4th kind of possible reality In existing mode, the communication means further include:

Conversation management functional network element knows that the associated user plane functions network element of the first address field needs to be revised as second user Face functional network element；

Conversation management functional network element knows the first group identification, wherein the first group identification is corresponding with the first address field；

Conversation management functional network element sends second message to endpoint of a tunnel network element, includes the first group identification in second message With the second address information of second user face functional network element, for requesting one in corresponding first group of the first group identification The address information of the user plane functions network element of a or multiple terminals is revised as the second address information.

In the implementation, conversation management functional network element sends second message to endpoint of a tunnel network element, so that endpoint of a tunnel Network element can be according to the user plane functions network element of the corresponding one or more terminals of the first group identification of second message batch updating Address information, so as to improve the management convenience of the address information to the user plane functions network element of terminal.

In conjunction with the 4th kind of possible implementation, in a fifth possible implementation, second message is packet data Unit session modification request message.

In conjunction with the 4th kind or the 5th kind of possible implementation, in a sixth possible implementation, session management function Energy network element knows the first group identification, comprising: conversation management functional network element is according to the determination of the first address field and the first address field pair The first group identification answered.

In conjunction with the 4th kind or the 5th kind of possible implementation, in the 7th kind of possible implementation, session management function Energy network element knows the first group identification, comprising: conversation management functional network element marks the group recorded in the context of first terminal Knowledge is determined as the first group identification.

In conjunction with any one possible implementation in the 4th kind to the 7th kind, in the 8th kind of possible implementation, Conversation management functional network element knows that the associated user plane functions network element of the first address field needs to be revised as second user face function network Member, comprising:

Conversation management functional network element is determined according to the load information of the current associated user plane functions network element of the first address field The associated user plane functions network element of first address field needs to be revised as second user face functional network element.

In conjunction with any one possible implementation in the 4th kind to the 7th kind, in the 9th kind of possible implementation, Conversation management functional network element knows that the associated user plane functions network element of the first address field needs to be revised as second user face function network Member, comprising:

Conversation management functional network element receives second indication information from the first network element, and second indication information is used to indicate the first ground The location associated user plane functions network element of section needs to be changed to second user face functional network element；

Conversation management functional network element determines the associated user plane functions network element need of the first address field according to second indication information It is changed to second user face functional network element.

Wherein, the first network element can store network element or Operations,Administration And Maintenance system network element with network function.

In conjunction with any one possible implementation in the 4th kind to the 9th kind, in the tenth kind of possible implementation, First address field corresponds to multiple group identifications, this multiple group identification includes the first group identification.

Fourth aspect, this application provides a kind of communication means.The communication means includes:

In the communication means, conversation management functional network element sends second message to endpoint of a tunnel network element, so that endpoint of a tunnel The address information of the user plane functions network element of one or more terminals can be revised as the second address according to second message by network element Information, so as to improve the management convenience of the address information to the user plane functions network element of terminal.

In conjunction with fourth aspect, in the first possible implementation, second message is Packet Data Unit modification request Message.

In conjunction with fourth aspect or the first possible implementation, in the second possible implementation, session management Functional network element knows the first group identification, comprising:

Conversation management functional network element determines first group identification corresponding with the first address field according to the first address field.

In conjunction with fourth aspect or the first possible implementation, in the third possible implementation, session management Functional network element knows the first group identification, comprising:

The group identification recorded in the context of first terminal is determined as the first group identification by conversation management functional network element.

In conjunction with fourth aspect or the first any one possible implementation into the third, in the 4th kind of possible reality In existing mode, conversation management functional network element knows that the associated user plane functions network element of the first address field needs to be revised as second user Face functional network element, comprising:

In conjunction with fourth aspect or the first any one possible implementation into the third, in the 5th kind of possible reality In existing mode, conversation management functional network element knows that the associated user plane functions network element of the first address field needs to be revised as second user Face functional network element, comprising:

In conjunction with fourth aspect or the possible implementation of any one of the above, in a sixth possible implementation, the One or more terminals in one group include first terminal.

Wherein, before conversation management functional network element sends second message to the endpoint of a tunnel network element, the communication means is also Include:

Conversation management functional network element, which determines, to be needed to create Packet Data Unit session for first terminal；

Conversation management functional network element knows the first user plane functions network element of first terminal；

Conversation management functional network element knows first group identification of first terminal；

Conversation management functional network element sends first message to endpoint of a tunnel network element, includes the mark of first terminal in first message Know, the first address information of the first group identification and the first user plane functions network element, is first terminal creation grouping for requesting Data cell session.

In the implementation, conversation management functional network element first sends the first group mark of first terminal to endpoint of a tunnel network element Know, to facilitate endpoint of a tunnel network element according to second message, by the use of the corresponding one or more terminals of the first group identification The address information of family face functional network element is updated to the second address information.

In conjunction with the 6th kind of possible implementation, in the 7th kind of possible implementation, first message is packet data Unit conversation establishing request message.

In conjunction with the 6th kind or the 7th kind of possible implementation, in the 8th kind of possible implementation, session management function Energy network element knows the first group identification of first terminal, comprising:

In conjunction with the 6th kind or the 7th kind of possible implementation, in the 9th kind of possible implementation, session management function Energy network element knows the first group identification of first terminal, comprising:

In conjunction with fourth aspect or the possible implementation of any one of the above, in the tenth kind of possible implementation, the One address field corresponds to multiple group identifications, this multiple group identification includes the first group identification.

5th aspect, this application provides a kind of communication means.The communication means includes: that user plane functions network element determines The address information of one terminal；User plane functions network element determines the first group of first terminal according to the address information of first terminal It identifies, there is between the first address field and the first group identification corresponding relationship belonging to the address of first terminal；User plane functions Network element sends the first group identification to conversation management functional network element.

In the communication means, user plane functions network element is first terminal distribution group mark, facilitates root in follow-up process Facilitate the address information of the user plane functions network element of management first terminal according to the first group identification of first terminal.

In conjunction with the 5th aspect, in one possible implementation, the first address field corresponds to multiple group identifications, this is multiple Group identification includes the first group identification.

6th aspect, this application provides a kind of communication means.The communication means includes: that the first network element determines the first address Terminal in section is by the functional network element service of second user face；First network element sends the second instruction letter to conversation management functional network element Breath, second indication information are used to indicate the terminal in the first address field by the functional network element service of second user face.

In conjunction with the 6th aspect, in one possible implementation, the first network element determine the terminal in the first address field by Second user face functional network element service, comprising: the first network element determines first according to the load information of second user face functional network element Terminal in address field is by the functional network element service of second user face.

In conjunction with the 6th aspect or the first possible implementation, in two kinds of possible implementations, the first network element is Network function stores network element or Operations,Administration And Maintenance system network element.

7th aspect, this application provides a kind of communication means.The communication means includes:

First network element receives the third message that conversation management functional network element is sent；

First network element knows that user plane functions network element is online；

First network element is that user plane functions network element distributes TEID sections, and sends the 4th message to conversation management functional network element, It include TEID sections in 4th message.

In conjunction with the 7th aspect, in the first possible implementation, the first network element is the distribution of user plane functions network element TEID sections, comprising:

First network element is that the conversation management functional network element distribution of booking reader face functional network element state is TEID sections corresponding.

In conjunction with the 7th aspect or the first possible implementation, in the second possible implementation, third message It is that user plane functions network element state subscribes to message, the 4th message is user plane functions network element state notification message.

In conjunction with the 7th aspect or the first or second of possible implementation, in three kinds of possible implementations, the One network element is network function storage network element or Operations,Administration And Maintenance system network element.

Eighth aspect, this application provides a kind of communication devices.The communication device includes for executing first aspect to The module of communication means in seven aspects in any one aspect.The module that the communication device includes can by software and/or Hardware mode is realized.

9th aspect, this application provides a kind of endpoint of a tunnel network elements.The endpoint of a tunnel network element includes processor and reception Device.Processor is for executing program.When processor executes code, processor and receiver realize first aspect or second aspect In communication means.

Optionally, which can also include transmitter.Transmitter is for sending information.

Optionally, which can also include memory.Memory is for storing program and data.

Tenth aspect, this application provides a kind of conversation management functional network elements.The conversation management functional network element includes processing Device and transceiver.Processor is for executing program.When processor executes code, processor and transceiver realize the third aspect or Communication means in fourth aspect.

Tenth on the one hand, and this application provides a kind of user plane functions network elements.The user plane functions network element includes processor And transceiver.Processor is for executing program.When processor executes code, processor and transceiver are realized in the 5th aspect Communication means.

12nd aspect, this application provides a kind of communication network elements.The communication network element includes processor and transceiver.Processing Device is for executing program.It is logical in terms of processor and transceiver realization the 6th or in the 7th aspect when processor executes code Letter method.

13rd aspect, this application provides a kind of computer readable storage mediums.In the computer readable storage medium The program code that storage is executed for communication device or endpoint of a tunnel network element.The program code include for execute first aspect or The instruction of communication means in second aspect.

Fourteenth aspect, this application provides a kind of computer readable storage mediums.In the computer readable storage medium The program code that storage is executed for communication device or conversation management functional network element.The program code includes for executing third party The instruction of communication means in face or fourth aspect.

15th aspect, this application provides a kind of computer readable storage mediums.In the computer readable storage medium The program code that storage is executed for communication device or user plane functions network element.The program code includes for executing the 5th aspect In communication means instruction.

16th aspect, this application provides a kind of computer readable storage mediums.In the computer readable storage medium The program code that storage is executed for communication device or communication network element.The program code includes for executing the 6th aspect or the 7th The instruction of communication means in aspect.

17th aspect, this application provides a kind of computer program products comprising instruction.When the computer program produces Product on communication device or endpoint of a tunnel network element when running, so that communication device or endpoint of a tunnel network element execute first aspect or the Communication means in two aspects.

18th aspect, this application provides a kind of computer program products comprising instruction.When the computer program produces Product on communication device or conversation management functional network element when running, so that communication device or conversation management functional network element execute third Communication means in aspect or fourth aspect.

19th aspect, this application provides a kind of computer program products comprising instruction.When the computer program produces Product on communication device or user plane functions network element when running, so that communication device or user plane functions network element execute the 5th aspect In communication means.

20th aspect, this application provides a kind of computer program products comprising instruction.When the computer program produces Product on communication device or communication network element when running, so that communication device or communication network element execute in the 6th aspect or the 7th aspect Communication means.

20th on the one hand, and this application provides a kind of System on Chip/SoC, which includes input/output interface, at least One processor, at least one processor and bus, at least one processor for storing instruction, at least one processor For calling the instruction of at least one processor, to carry out communication of the first aspect into the 7th aspect in any one aspect The operation of method.

22nd aspect, this application provides a kind of communication system, which includes at least one of the following: the 9th Endpoint of a tunnel network element in aspect, the conversation management functional network element in the tenth aspect, the user plane functions net in the tenth one side Communication network element in member and the 12nd aspect.

In a possible design, the communication system can also include scheme provided by the embodiments of the present application in it is above-mentioned The other equipment that network element interacts, such as terminal device.

Detailed description of the invention

Fig. 1 is can be using the schematic architectural diagram of the communication system of the communication means of the embodiment of the present application；

Fig. 2 is the schematic flow chart of the communication means of the application one embodiment；

Fig. 3 is the schematic flow chart of the communication means of the application another embodiment；

Fig. 4 is the schematic flow chart of the communication means of the application another embodiment；

Fig. 5 is the schematic flow chart of the communication means of the application another embodiment；

Fig. 6 is the schematic flow chart of the communication means of the application another embodiment；

Fig. 7 is the schematic flow chart of the communication means of the application another embodiment；

Fig. 8 is the schematic flow chart of the communication means of the application another embodiment；

Fig. 9 is the schematic diagram of the communication device of the application one embodiment；

Figure 10 is the schematic diagram of the communication device of the application another embodiment.

Specific embodiment

Below in conjunction with attached drawing, the technical solution in the application is described.

Fig. 1 is can be using a kind of schematic architectural diagram of communication system of the communication means of the embodiment of the present application.Fig. 1 institute May include in the communication system shown terminal device 110, access network equipment 120, access and mobile management function to ps domain network element 130, Conversation management functional network element 140, user plane functions network element 151, user plane functions network element 152, data network 160.

It optionally, can also include network function store function network element 170, and operation in communication system shown in FIG. 1 Manage and maintain system network element 180.

Access and mobile management function to ps domain network element 130, conversation management functional network element 140, user plane functions network element 151 and use Network composed by family face functional network element 152 is properly termed as core net.Wherein, conversation management functional network element 140 can manage more A user plane functions network element, such as user plane functions network element 151 and user plane functions network element 152.

Terminal device can be communicated through AN equipment with one or more core nets.Terminal device can be described as access eventually It is end, terminal, subscriber unit, subscriber station, movement station, mobile station, remote station, remote terminal, mobile device, user terminal, wireless The network equipment, user agent or user apparatus.Terminal can be cellular phone, wireless phone, session initiation protocol (session Initiation protocol, SIP) phone, wireless local loop (wireless localloop, WLL) stand, individual digital It handles (personal digital assistant, PDA), the handheld device with wireless communication function, calculate equipment or company It is connected to other equipment, mobile unit, wearable device or Internet of Things, vehicle net, smart city or the intelligence of radio modem The terminal device etc. of any form in terminal device and future network in intelligent family.Terminal device can be deployed in land On, including it is indoor or outdoors, hand-held or vehicle-mounted；(such as steamer) can also be deployed on the water surface；(example in the sky can also be disposed On such as aircraft, balloon and satellite).

Access net (access network, AN) equipment can be wireless access network (radio access network, RAN) equipment.A kind of example of RAN equipment is base station (base station, BS).

Base station, alternatively referred to as base station equipment are a kind of equipment that terminal device is linked into wireless network, including but unlimited In: transmission receiving point (transmission reception point, TRP), 5G node B (gNB), evolved node B (evolved node B, eNB), radio network controller (radio network controller, RNC), node B (node B, NB), base station controller (base station controller, BSC), base transceiver station (base transceiver Station, BTS), Home eNodeB (for example, home evolved nodeB or home node B, HNB), Base Band Unit (base band unit, BBU) or Wifi access point (access point, AP) or small base station equipment (pico) etc..

It should be understood that being not construed as limiting herein to the concrete type of base station.Using in the system of different radio access technologies, have The title of the equipment of base station functions may be different.It is above-mentioned to be mentioned for terminal in all embodiments of the application for convenience of description Base station is referred to as the device of wireless communication function.

User plane functions network element has the function of message forwarding, encapsulation and statistics of terminal device etc..In 5G, user face function Energy network element can be UPF network element.In future communication systems, for example, user plane functions network element still can be UPF net in 6G Member, or can have other titles, the application is without limitation.

Access and mobile management function to ps domain network element are responsible for the access and mobile management of terminal device.For example, being responsible for terminal Device location update, terminal device registered network or terminal device switching etc..In 5G, access and mobile management function to ps domain network element It can be AMF (access and mobility management function) network element.In future communication systems, for example, In 6G, access and mobile management function to ps domain network element still can be AMF network element, or can have other titles, and the application is not done It limits.

Conversation management functional network element is responsible for the selection of user plane functions network element, gravity treatment, Internet protocol (internet Protocol, IP) address distribution etc., foundation, modification and release of session etc. can also be responsible for.In 5G, session management function Energy network element can be SMF network element.In future communication systems, for example, conversation management functional network element still can be SMF in 6G Network element, or can have other titles, the application is without limitation.

Network function store function network element is responsible for the registration of control plane functional network element Yu user plane functions network element, service discovery Etc. functions.In 5G, network function store function network element can be NRF (network function repository Function) network element.In future communication systems, for example, network function store function network element still can be NRF net in 6G Member, or can have other titles, the application is without limitation.

Operations,Administration And Maintenance system network element is responsible for the operation of each network element, manages and maintains function.In 5G, operational administrative It can be OAM (operations administration and maintenance) network element with maintenance system network element.In future In communication system, for example, Operations,Administration And Maintenance system network element still can be OAM network element, or can have other names in 6G Claim, the application is without limitation.

Data network, which refers to, provides the carrier network of data transport service for terminal device.For example, data network can be with It is to provide the network of the business such as IP multimedia service (IP multi-media, IMS), Internet service.In 5G, data network It can be DN (data network).In future communication systems, for example, data network is still properly termed as DN, or can in 6G To there is other titles, the application is without limitation.

It is understood that above-mentioned function is either network element in hardware device, is also possible in specialized hardware The virtualization instantiated in upper runs software function or platform (for example, cloud platform).

It should be understood that the embodiment of the present application is not limited in system architecture shown in FIG. 1.For example, can be real using the application Apply may include more or fewer network elements or equipment in the communication system of the communication means of example.Equipment or network element in Fig. 1 can To be hardware, be also possible to the software functionally divided or more than both combination.It can between equipment or network element in Fig. 1 To be communicated by other equipment or network element.Alternatively, the equipment in Fig. 1 can have other titles.

In communication system shown in Fig. 1, during the PDU session establishment of terminal device 110, conversation management functional network element 140 can send the N3 interface IP address of user plane functions network element 151 to access network equipment 120, in order to access network equipment 120 The business datum of terminal device 10 is sent to user plane functions network element 151 according to the N3 interface IP address.

When conversation management functional network element knows 151 failure of user plane functions network element or overload, conversation management functional net Member 140 can choose user plane functions network element 152 to substitute user plane functions network element 151.Also, conversation management functional network element 140 can for each PDU session on user plane functions network element 151, by access and mobile management function to ps domain network element 130, to Access network equipment 120 sends the N3 interface IP address of a user plane functions network element 152.

It is right that the method for this N3 interface IP address for updating user plane functions network element can reduce conversation management functional network element 140 The management convenience of the address information of user plane functions network element on access network equipment 120.

For this problem, present applicant proposes a kind of communication means, help more easily to manage on access network equipment The address information of user plane functions network element.

The schematic flow chart of system structure based on Fig. 1, the communication means of the application one embodiment is as shown in Figure 2. Communication means shown in Fig. 2 includes S201, S202, S203, S204 and S205.

S201, conversation management functional network element, which determines, to be needed to create Packet Data Unit session for first terminal.

Wherein, conversation management functional network element can be the conversation management functional network element 140 in Fig. 1.First terminal can be Terminal device 110 in Fig. 1.

For example, when first terminal sends PDU session establishment request message to conversation management functional network element, conversation management functional Network element, which can determine, to be needed to create PDU session for first terminal.

S202, conversation management functional network element know the first user plane functions network element of first terminal.

Wherein, the first user plane functions network element can be user plane functions network element 151 or user plane functions network element in Fig. 1 152。

Conversation management functional network element knows the first user plane functions network element of first terminal, it is possible to understand that are as follows: session management It currently can be first terminal service user interface functional network element be the first user plane functions network element that functional network element, which is known,.The step Can be with reference to the implementation of the selection user plane functions network element of conversation management functional network element in the prior art, details are not described herein again.

S203, conversation management functional network element know the first group identification of first terminal.

First group identification is the group identification of at least one terminal.It include first terminal at least one terminal.Extremely A few terminal is referred to as one or more terminals.

Conversation management functional network element knows the first group identification of first terminal, it is possible to understand that are as follows: conversation management functional net Member knows that the group identification of first terminal is the first group identification.

In some possible implementations, conversation management functional network element knows that the first group identification of first terminal can be with Include: conversation management functional network element oneself be first terminal distribute the first group identification.

For example, conversation management functional network element obtains the address information of first terminal；Conversation management functional network element is according to first The address information of terminal determines that the address of first terminal belongs to the first address field；Conversation management functional network element is according to the first address Section determines the first group identification, has corresponding relationship between the first address field and the first group identification.The implementation then will It is introduced in conjunction with Fig. 4.

Wherein, it is first terminal distribution that the address of first terminal, which can be conversation management functional network element, is also possible to it His network element is after first terminal distributes, to be sent to SMF network element.

In other possible implementations, conversation management functional network element knows that the first group identification of first terminal can It is first terminal the first group identification of distribution to include: user plane functions network element (such as first user plane functions network element), and to Conversation management functional network element sends the first instruction information, and the group identification that the first instruction information is used to indicate first terminal is first Group identification；Conversation management functional network element receives the first instruction information from user plane functions network element, and according to the first instruction information Determine the first group identification of first terminal.The implementation will then be introduced in conjunction with Fig. 5.

S204, conversation management functional network element send first message to endpoint of a tunnel network element, include first whole in first message First address information of the mark at end, the first group identification and the first user plane functions network element is that first terminal is created for requesting Build Packet Data Unit session.Correspondingly, endpoint of a tunnel network element receives first message from conversation management functional network element.

Network element can be the access network equipment 120 in Fig. 1 to endpoint of a tunnel (tunnel endpoint, TE), or can be User plane functions network element 151 or user plane functions network element 152 in Fig. 1.

For the mark of terminal for identifying terminal, specific form is unlimited.For example, the form of the mark of terminal can be N2 company Connect mark, IMSI, the outer logo of terminal, terminal inner mark, permanent identification or the temporary identifier of terminal of terminal etc. Deng.It is understood that may be converted to the form of the mark of terminal in different network element devices, but various forms of ends The mark at end may be used to identify terminal.That is, regardless of converting in form, as long as can be by the terminal and other The mark that terminal distinguishes can be known as the mark of the terminal.

First address information of the first user plane functions network element is with can be the N3 interface IP of the first user plane functions network element Location information.

First message can be PDU conversation establishing request message (PDU session establish request message)。

S205, endpoint of a tunnel network element generate the context of first terminal according to first message, and above and below first terminal The group identification that first terminal is recorded in text is the first group identification, and records the ground of the user plane functions network element of first terminal Location information is the first address information.

The context of first terminal can be the session context of first terminal.

In the embodiment of the present application, conversation management functional network element is notified by first message to endpoint of a tunnel network element currently can be with For the address information of the first user plane functions network element of first terminal service, endpoint of a tunnel network element is believed according to the address Breath is first terminal transmission services data.In addition, conversation management functional network element notifies that endpoint of a tunnel network element is by first message First group identification of first terminal distribution, facilitates conversation management functional network element in subsequent process, according to first terminal The first group identification manage the address information of the user plane functions network element for first terminal service.

The schematic flow chart of the communication means of another embodiment of the application is as shown in Figure 3.Communication means shown in Fig. 3 Including S301, S302, S303 and S304.

S301, conversation management functional network element know that the associated user plane functions network element of the first address field needs to be revised as second User plane functions network element.

For example, conversation management functional network element 140 knows that the associated user plane functions network element of the first address field is needed from user Face functional network element 151 is revised as or is updated to user plane functions network element 152.

In some possible implementations, conversation management functional network element knows the associated user plane functions of the first address field Network element needs to be revised as second user face functional network element, and may include: conversation management functional network element receives second from the first network element Indicate that information, second indication information are used to indicate the associated user plane functions network element of the first address field and need to be changed to second user face Functional network element；Conversation management functional network element determines the associated user plane functions network element need of the first address field according to second indication information It is changed to second user face functional network element.The implementation will then be introduced in conjunction with Fig. 6 or Fig. 7.

Wherein, the first network element can be the network function store function network element 170 in Fig. 1, such as NRF network element；Or it can To be Operations,Administration And Maintenance system network element 180.Such as OAM network element.

In other possible implementations, conversation management functional network element knows the associated user face function of the first address field Energy network element needs to be revised as second user face functional network element, may include: that conversation management functional network element is worked as according to the first address field The load information of preceding associated user plane functions network element determines that the associated user plane functions network element needs of the first address field are revised as Second user face functional network element.The implementation can refer to Fig. 6, and details are not described herein again.

S302, conversation management functional network element know the first group identification, wherein the first group identification and the first address field pair It answers.

In some possible implementations, conversation management functional network element knows the first group identification, may include: session Management function network element determines the first group identification corresponding with the first address field according to the first address field.

That is, conversation management functional network element knows that the associated user plane functions network element of the first address field needs in S301 After being revised as second user face functional network element, can according to the corresponding relationship between the first group identification and the first address field, Determine the first group identification corresponding with the first address field.

In other possible implementations, conversation management functional network element knows the first group identification, may include: meeting It talks about management function network element and the group identification recorded in the context of first terminal is determined as the first group identification.

For example, conversation management functional network element knows that the associated user plane functions network element needs of the first address field are repaired in S301 After being changed to second user face functional network element, PDU conversation establishing request message can be sent to second user face functional network element, it should The PDU that PDU conversation establishing request message is used to that second user face functional network element to be requested to create the first terminal in the first address field Session.Second user face functional network element is Xiang Hui after first terminal creates PDU session according to the PDU conversation establishing request message It talks about management function network element and returns to PDU conversation establishing response message.Conversation management functional network element disappears according to PDU conversation establishing response The session context of breath inquiry first terminal, and the group identification recorded in the session context of first terminal is determined as first Group identification.The implementation will then be introduced in conjunction with Fig. 6 or Fig. 7.

It should be understood that the corresponding group identification of the first address field can be one, it is also possible to multiple.First address field When corresponding group identification is one, which is the first group identification；The corresponding group identification of first address field is It include the first group identification in multiple group identification when multiple.

S303, conversation management functional network element send second message to endpoint of a tunnel network element, include first group in second message Second address information of group mark and second user face functional network element, for requesting corresponding first group of the first group identification In the address informations of user plane functions network element of one or more terminals be revised as the second address information.Correspondingly, tunnel end Point network element receives second message from conversation management functional network element.

Endpoint of a tunnel network element can be the access network equipment 120 in Fig. 1, or can be the user plane functions net in Fig. 1 Member 151 or user plane functions network element 152.

Second address information of second user face functional network element is with can be the N3 interface IP of second user face functional network element Location information.

Group identification is that a terminal of the first group identification or the set of multiple terminals are properly termed as the first group.

Second message can be PDU session modification request message (PDU session modification request message)。

S304, endpoint of a tunnel network element according to second message, by one in corresponding first group of the first group identification or The address information recording of the user plane functions network element of multiple terminals is the second address information.

Or it can be said that endpoint of a tunnel network element according to second message, will be in corresponding first group of the first group identification The second address letter is modified or be updated to the address information of the user plane functions network element recorded in the context of one or more terminals Breath.

In the embodiment of the present application, conversation management functional network element sends second message to endpoint of a tunnel network element, so that it may update The address information of the user plane functions network element of the corresponding one or more terminals of first group identification, that is, help to improve session pipe Manage the convenience of the address information of functional network element management user plane functions network element.

In addition, when the first group identification corresponds to multiple terminals, conversation management functional network element sends the to endpoint of a tunnel network element Two message can update the address information of the user plane functions network element of multiple terminals, help to save signaling overheads.

In the communication means of the application one embodiment, communication means shown in Fig. 2 can be first carried out, then executes figure again Communication means shown in 3.In other words, communication means shown in Fig. 2 can be first carried out, it is whole for first to endpoint of a tunnel network element notice The group identification of end distribution is the first group identification, then executes communication means shown in Fig. 3 again, is notified to tunnel port network element The user plane functions network element of one or more terminals (including first terminal) in corresponding first group of first group identification Address information needs to be revised as the address information of second user face functional network element.This passes through conversation management functional network element The address information that one second message is capable of the user plane functions network element of all terminals corresponding to the first group identification carries out Management.Further, it is also possible to save signaling overheads.

Below with conversation management functional network element for SMF network element, endpoint of a tunnel network element is AN equipment, the first user plane functions net Member is UPF network element, and for first terminal is UE, in conjunction with Fig. 4, introducing conversation management functional network element oneself is first terminal distribution the A kind of communication means when one group identification.

S401, UE send PDU conversation establishing request message to SMF network element, and the PDU conversation establishing request message is for creating The PDU session of user carries the DNN information of first terminal in the PDU conversation establishing request message.

S402, SMF network element send N4 session establishment request message (N4session establish to UPF network element Request message), which creates PDU session for UPF network element.

S403, UPF network element return to N4 session establishment response message (N4session establish to SMF network element Response message), which is used for the creation result of UPF network element response pdus session.

S404, SMF network element are that the PDU session distribution group of terminal identifies according to the address information of the PDU session of UE.Its In, the address information of the PDU session of UE can be referred to as the address information of UE, and the group identification of the PDU session of UE can be referred to as For the group identification of UE.

The address of UE can be the distribution of SMF network element, be sent to SMF network element after being also possible to the distribution of other network elements.Example Such as, SMF network element can be that UE distributes address according to the DNN information obtained in S401.For example, NRF network element or UPF network element are according to UE DNN information be UE distribute address after, be sent to SMF network element.

Address information of the SMF network element according to the PDU session of UE, a kind of example that the PDU session distribution group for being UE identifies Property implementation may include: SMF network element address field according to belonging to the address that the address information of UE determines UE, determining address Section is the first address field；The inquiry of SMF network element whether there is group identification corresponding with the first address field；If had existed, Then SMF network element selects this group identification of the group identification corresponding with the first address field as UE, this and the first address field Corresponding group identification is the first group identification；If it does not exist, then SMF network element distributes a new group identification to first Address field, and using the group identification as the group identification of UE, which is the first group identification.

Wherein, SMF network element can distribute one or more group's marks for the PDU session of the terminal in the same address field Know.

S405, SMF network element send N2PDU conversation establishing request message to AN equipment, and the first group mark is carried in the message Know the address information with UPF network element,

For example, carrying the N3 interface IP address information of the first group identification and UPF network element in the message.

After S406, AN equipment receive N2PDU conversation establishing request message, the session context of UE is created (referred to as up and down Text), and the address information of the first group identification and UPF network element is stored in the context of UE.

When the group identification of UE is distributed by UPF network element, a kind of possible implementation method may include: UPF network element according to UE Address information and UE where SMF network element information, for UE distribution group identify.

For example, UPF network element knows the information of the address information of UE and the SMF network element where UE；According to the address information of UE Determine address field belonging to the address of UE, i.e. the first address field；Inquiry is with the presence or absence of right with the first address field and the SMF network element The group identification answered；If it exists, then select the group identification for the group identification of UE, i.e. the first group identification；If it does not exist, then Terminal distribution group identification of the UPF network element for the first address field, i.e. the first group identification, and using the first group identification as UE's Group identification.

S407, AN equipment are by NAS PDU conversation establishing confirmation message (PDU session establish ACK Message it) is transmitted to UE, to the creation result of UE confirmation PDU session.

S408, AN return to N2PDU conversation establishing request response (PDU session establish to SMF network element Request ACK message), to the creation result of SMF network element feedback PDU session.

Wherein, the address of UE can be UPF network element UE distribution, and being also possible to SMF network element is UE distribution.

UPF network element is after UE distributes the first group identification, and can notify SMF network element: the group identification of UE is the first group Mark.

Below with conversation management functional network element for SMF network element, endpoint of a tunnel network element is AN equipment, the first user plane functions net Member is UPF network element, and for first terminal is UE, in conjunction with Fig. 5, introducing the first user plane functions network element is first terminal distribution first A kind of communication means when group identification.

S501, UE send PDU session establishment request message to SMF network element, carry DNN information in the message.

S502, SMF network element send N4 session establishment request message to UPF network element.

S503, UPF network element are according to the information of the SMF network element where the address information and UE of the PDU session of UE (for example, SMF The address information of network element), the PDU session distribution group for being UE identifies.Wherein, the address information of the PDU session of UE can be referred to as Group identification for the address information of UE, the PDU session of UE can be referred to as the group identification of UE.

Wherein, it is UE distribution that the address information of the PDU session of UE, which can be UPF network element, is also possible to other network element (examples Such as SMF network element) distribution after be sent to UPF network element.

UPF network element is UE distribution group mark, may include: the address that UPF network element determines UE according to the address information of UE The address field (i.e. the first address field) at place, and inquire with the presence or absence of corresponding with the SMF network element where the first address field and UE Group identification；If had existed, which selects the group of the group identification (i.e. the first group identification) as UE Mark；If it does not exist, then the UPF network element is that UE distributes new group identification (i.e. the first group identification).

Wherein, UPF network element can be the terminal distribution one or more group in same SMF and in same address field Mark.

S504, UPF network element send N4 session establishment response message to SMF network element, and the first instruction information is carried in the message, First instruction information instruction UPF network element is the first group identification of UE distribution.

That is, SMF network element obtains the first group identification of UE from UPF network element.

S505, SMF network element send N2PDU conversation establishing request message to AN equipment, and the first group mark is carried in the message Know the N3 interface IP address (i.e. the first address information of the first UPF network element) with UPF.

After S506, AN equipment receive N2PDU conversation establishing message, the session context of UE is created, and the first group is marked Know and the N3 interface IP address of UPF network element is stored in the session context of UE.

S507, AN equipment send NAS message PDU conversation establishing confirmation message to UE.

S508, AN return to PDU session request confirmation message to SMF.

Below with the first network element for NRF network element, second user face functional network element is UPF network element, and endpoint of a tunnel network element is AN Equipment, conversation management functional network element are SMF network element, and second indication information is UPF state notification message, and second message is PDU meeting For words modification request message, in conjunction with Fig. 5, introduces and determine that the user plane functions network element of first terminal needs to modify by the first network element Communication means when for second user face functional network element.

S601, SMF network element send UPF state subscription (UPF status subscribed) message to NRF network element, to order The state of UPF network element is read, includes DNN information in the UPF state subscription message.

Wherein, the state of UPF network element may include the load condition etc. of UPF network element.Include in UPF state subscription message DNN information refers to the state for subscribing to the UPF network element for supporting the DNN information.

S602, NRF network element detect that the state of corresponding UPF network element changes it according to UPF state subscription message Afterwards, send UPF state notifying (UPF status notify) message to SMF network element, may include in the message UPF network element (i.e. 2nd UPF network element) mark (such as UPF ID) of the address field (i.e. the first address field) of terminal and the 2nd UPF network element that can service Between incidence relation, with notify support the DNN UPF network element become the 2nd UPF network element.

S603, SMF network element know from S602 with the associated UPF network element of the first address field change into the 2nd UPF network element it Afterwards, SMF network element can be with decision by the PDU conversation shift of the terminal of the first address field to the 2nd UPF network element.

S604, SMF network element send PDU conversation establishing request message to UPF, by the PDU meeting of the terminal in the first address field Words are rebuild on the UPF.

S605, UPF network element return to PDU conversation establishing response message to SMF network element.

S606, SMF network element send PDU session modification message to AN equipment.6UPF net is carried in the PDU session modification message First group identification of N3 interface IP address (i.e. the second address information) and UE of member.

After S607, AN equipment receive PDU session modification request message, the first group identification and the N3 interface of UPF are known Address, and include the upper of one or more terminals of the first group identification according to the first group identification batch updating in the message N3 interface IP address hereinafter.

It optionally, can be to NRF network element after SMF network element completes the PDU conversation shift of the terminal in the first address field It returns to user and migrates completion notice message.It is migrated if it is as caused by UPF network element overload, then NRF network element is obtaining user After migrating completion notice message, UPF can be notified to enable the routing of the address field of UE.That is, by upper first address the 2nd UPF The priority of section routing is set as high priority.

It should be understood that the step of routing priority of the first address field of configuration, can also be completed by SMF network element.

It should be understood that S601 and S602 are optional step in communication means shown in fig. 6.For example, in simple networking scene Under, it can voluntarily be determined by SMF by the PDU conversation shift of the terminal of the first address field to the 2nd UPF network element.

It should be understood that the user that then SMF is sent to NRF network element migrates if it is the migration caused due to source UPF network element failure Completion notice can be omitted.After obtaining source UPF event of failure by NRF or SMF, by the UE address field on the UPF of source in target UPF Upper execution routing is enabled.

Below with the first network element for OAM network element, the first user plane functions network element is the first UPF network element, second user face function Energy network element is the 2nd UPF network element, and conversation management functional network element is SMF network element, and second indication information is that UPF state notification message is Example is introduced in conjunction with Fig. 6 and determines that the user plane functions network element of first terminal needs to be revised as second user face function by the first network element Communication means when network element.

S701, the first UPF network element is according to address field granularity to the first address of the first UPF network element service of OAM reported by network elements The load information of section.

The source UPF network element that first UPF network element is properly termed as the terminal service in the first address field.

S702 is determined if OAM network element detects the first UPF overload or failure by the first address on the first UPF On the PDU conversation shift to the 2nd UPF network element of terminal in section.

Wherein, OAM network element can select the 2nd UPF according to the load information of the 2nd UPF network element.

After OAM determines the 2nd UPF network element, to the 2nd the first address of UPF network element configuration segment information.

S703, the 2nd UPF initiate registration update message to NRF network element.The first address is carried in the registration update message The incidence relation of section and the mark of the 2nd UPF network element.

S704, NRF network element send UPF state notification message to SMF network element, carry the first address field and second in the message The incidence relation of the mark of UPF network element.

Optionally, the mark of the first UPF network element can also be carried in the message.

S705, SMF network element execute address field transition process.For example, S603 shown in Fig. 6 to S607.

S706, SMF network element notify NRF network element, the PDU conversation shift of the terminal in the first address field to complete.

S707, after the completion of NRF network element knows PDU conversation shift from SMF network element, NRF network element can be to the 2nd UPF network element It is enabled to send the routing of the first address field, i.e., sets high priority for the priority that the first address field routes.

S708, after the completion of S707, NRF network element sends the first address field to the first UPF network element and goes enabled message, i.e., by the The priority of one address field routing is configured to low priority.

It should be understood that migrating if it is caused by the first UPF failure, then S706 can not be executed.S707 and S608 can be It is carried out after S703.

Communication means as shown in Figure 7 determines the migration of address field by OAM network element according to the real-time load of UPF network element, In the case where quantity is used between SMF network element and UPF network element than for the networking mode of N:M, by SMF network element oneself decision address The migration of section is compared, and the inconsistent generated decision conflict of strategy of different SMF network elements is helped avoid.

In embodiments herein, determine that the user plane functions network element of first terminal needs to be revised as second by the first network element When user plane functions network element, if the first network element is network function store function network element, network function store function network element may be used also With to Tunnel End Point Identifier (the tunnel endpoint of conversation management functional network element distributing user face functional network element Identity, TEID) section (range).After conversation management functional network element obtains the TEID section of user plane functions network element, for terminal point The TEID sections can be contained in complete TEID when with TEID, to guarantee that the TEID value of different SMF network element distribution exists Conflict will not be generated on the same user plane functions network element.

Below with the first network element for NRF network element, conversation management functional network element is SMF network element, and user plane functions network element is UPF For network element, in conjunction with Fig. 8, network function store function network element is introduced to conversation management functional network element distributing user face functional network element TEID section when communication means.

It is online that S801, OAM network element system trigger UPF example.UPF example is UPF network element.

After S802, UPF example are online, UPF example is initiated to register to NRF network element.Comprising DNN and UPF in registration message ID。

S803, SMF network element send UPF state subscription message to NRF network element, carry DNN in the message.

The step page can betide before S801 and S802 step.

S804, NRF network element distribute the TEID section of the UPF example.NRF network element can be according to subscribing to the UPF example state SMF example number distributes the TEID sections.

For example, having subscribed the UPF example state if there is two SMF examples, then NRF is that the UPF distributes two TEID Section.

The TEID section of distribution is sent to the SMF network element for subscribing to the UPF example state by S805, NRF network element.

After SMF network element obtains the TEID section of UPF example, when SMF network element is that UE distributes TEID, TEID sections are contained in complete TEID in, to guarantee that the TEID value of different SMF network element distribution will not generate conflict on the same UPF network element.To It can help to ensure that the TEID value on different UPF network elements will not be identical in subsequent UPF network element transition process, to avoid Generate conflict.

Fig. 9 is the schematic diagram of the communication device of the application one embodiment.It should be understood that the communication shown in Fig. 9 fills Setting 900 is only example,

Communication device 900 may include receiving module 910 and processing module 920.

Communication device 900 can be used for executing Fig. 2 into Fig. 8 in communication means shown in any one by endpoint of a tunnel net The step of member or AN equipment execute.At this point, the example of communication device 900 is endpoint of a tunnel network element or AN equipment.

It include the in first message for receiving first message from conversation management functional network element for example, receiving module 910 First address information of the mark of one terminal, the first group identification and the first user plane functions network element, for requesting as first eventually End creation Packet Data Unit session.

Processing module 920, for generating the context of first terminal according to first message, and in the context of first terminal The group identification of middle record first terminal is the first group identification, and records the address of the user plane functions network element of first terminal Information is the first address information.

Optionally, receiving module 910 is also used to receive second message from conversation management functional network element, includes in second message Second address information of first group identification and second user face functional network element, it is for requesting that the first group identification is corresponding The first group in the address informations of user plane functions network element of one or more terminals be revised as the second address information.

Processing module 920 is also used to determine first terminal according to the first group identification in second message, and eventually by first The first address information in the address information of the user plane functions network element at end is revised as the second address information.

For example, receiving module 910 wraps in the second message for receiving second message from conversation management functional network element The second address information of the first group identification and second user face functional network element is included, for requesting first group identification pair The address information of the user plane functions network element for the one or more terminals in the first group answered is revised as the second address letter Breath.

Processing module 920 is used for according to the second message, will be in corresponding first group of first group identification The address information recording of the user plane functions network element of one or more terminals is second address information.

Optionally, one or more terminals in the first group include first terminal.

Correspondingly, receiving module 910 is also used to: before receiving second message from conversation management functional network element, from session pipe It manages functional network element and receives first message, include mark, the first group identification and the first user face of first terminal in first message First address information of functional network element is that first terminal creates Packet Data Unit session for requesting.

Processing module 920 is also used to generate the context of first terminal according to first message, and above and below first terminal The group identification that first terminal is recorded in text is the first group identification, and records the ground of the user plane functions network element of first terminal Location information is the first address information.

Processing module 920 is specifically used for according to second message, by the address information of the user plane functions network element of first terminal In the first address information be revised as the second address information.

In communication device 900, a kind of example of receiving module 910 is receiver, and a kind of example of processing module 920 is place Manage device.

When receiving module 910 is receiver, communication device 900 can also include transmitter.The receiver and transmitter can To integrate, referred to as transceiver, the transmitter are used to send information.

Receiving module 910 is receiver, optionally, in communication device 900 can be with when processing module 920 is processor Including memory, the memory is for storing program code.The memory can be integral to the processor together.

Figure 10 is the schematic diagram of the communication device of the application one embodiment.It should be understood that the communication shown in Figure 10 Device 1000 is only example,

Communication device 1000 may include processing module 1010 and sending module 1020.Optionally, communication device 1000 is gone back It may include receiving module 1030.

Communication device 1000 can be used for executing Fig. 2 into Fig. 8 in communication means shown in any one by session management The step of functional network element or SMF network element execute.The example of communication device 1000 is conversation management functional network element or SMF network element.

For example, processing module 1010 is used for:

It determines and needs to create Packet Data Unit session for first terminal；

Know the first user plane functions network element of the first terminal；

Know the first group identification of the first terminal.

Sending module 1020 includes first whole in the first message for sending first message to endpoint of a tunnel network element First address information of the mark at end, the first group identification and the first user plane functions network element is described for requesting One terminal creates Packet Data Unit session.

Optionally, processing module 1010 is also used to:

Know that the associated user plane functions network element of the first address field needs to be revised as second user face functional network element；

Know first group identification, wherein first group identification is corresponding with first address field.

Sending module 1020 is also used to send second message to endpoint of a tunnel network element, includes that the first group marks in second message Know the second address information with second user face functional network element, it will be in corresponding first group of the first group identification for request The address information of the user plane functions network element of one or more terminals is revised as the second address information.

Alternatively, for example, processing module 1010 is used for: knowing that the associated user plane functions network element of the first address field needs to modify For second user face functional network element；Know the first group identification, wherein the first group identification is corresponding with the first address field.

Sending module 1020 is used to send second message to endpoint of a tunnel network element, includes described first in the second message Second address information of group identification and second user face functional network element, it is for requesting that first group identification is corresponding The first group in the address informations of user plane functions network element of one or more terminals be revised as second address information.

Optionally, one or more terminals in first group include first terminal；

Wherein, before sending second message to endpoint of a tunnel network element, processing module 1010 is also used to:

Know the first user plane functions network element of first terminal；

Know first group identification of first terminal；

Sending module 1020 is also used to send first message to endpoint of a tunnel network element, includes first terminal in first message Mark, the first address information of the first group identification and the first user plane functions network element are first terminal creation point for requesting Group data cell session.

Optionally, processing module 1010 is specifically used for:

Obtain the address information of first terminal；

According to the address information of first terminal, determine that the address of first terminal belongs to the first address field；

The first group identification is determined according to the first address field.

Optionally, receiving module 1030 is also used to receive the first instruction information from the first user plane functions network element, and first refers to The group identification for showing that information is used to indicate first terminal is the first group identification.

Processing module 1010 is specifically used for determining first group identification according to the first instruction information.

Optionally, processing module 1010 is specifically used for determining first group corresponding with the first address field according to the first address field Group mark.

Optionally, processing module 1010 is specifically used for: the group identification recorded in the context of first terminal is determined as First group identification.

Optionally, processing module 1010 is specifically used for: according to the current associated user plane functions network element of the first address field Load information determines that the associated user plane functions network element of the first address field needs to be revised as second user face functional network element.

Optionally, receiving module 1030 is also used to: receiving second indication information from the first network element, second indication information is used for Indicate that the associated user plane functions network element of the first address field needs to be changed to second user face functional network element；

Processing module specific 1010 is used to determine the associated user plane functions net of the first address field according to second indication information Member needs to be changed to second user face functional network element.

In communication device 1000, a kind of example of sending module 1020 is transmitter, a kind of example of processing module 1010 For processor, a kind of example of receiving module 1030 is receiver.

Together with receiver can integrate with transmitter, referred to as transceiver.

Sending module 1020 is transmitter, and receiving module 1030 is receiver, optional when processing module 1010 is processor Ground can also include memory in communication device 1000, and the memory is for storing program code.The memory can be with processing Device integrates.

Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed Scope of the present application.

It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.

In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit It closes or communicates to connect, can be electrical property, mechanical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.

It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.

It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product It is stored in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially in other words The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a People's computer, server or network equipment etc.) execute each embodiment the method for the application all or part of the steps. And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (read-only memory, ROM), arbitrary access are deposited The various media that can store program code such as reservoir (random access memory, RAM), magnetic or disk.

The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain Lid is within the scope of protection of this application.Therefore, the protection scope of the application should be based on the protection scope of the described claims.

Claims

1. a kind of communication means characterized by comprising

Endpoint of a tunnel network element receives first message from conversation management functional network element, includes the mark of first terminal in the first message Know, the first address information of the first group identification and the first user plane functions network element, is that the first terminal creates for requesting Packet Data Unit session；

The endpoint of a tunnel network element generates the context of the first terminal according to the first message, and in the first terminal Context in record the group identification of the first terminal be first group identification, and record the first terminal The address information of user plane functions network element is first address information.

2. communication means according to claim 1, which is characterized in that the communication means further include:

The endpoint of a tunnel network element receives second message from the conversation management functional network element, includes described in the second message Second address information of the first group identification and second user face functional network element, it is for requesting that first group identification is corresponding The first group in the address informations of user plane functions network element of one or more terminals be revised as second address information；

The endpoint of a tunnel network element determines the first terminal according to first group identification in the second message, and will First address information in the address information of the user plane functions network element of the first terminal is revised as second address Information.

3. a kind of communication means characterized by comprising

Endpoint of a tunnel network element receives second message from conversation management functional network element, includes the first group identification in the second message It, will be in corresponding first group of first group identification for request with the second address information of second user face functional network element The address informations of user plane functions network element of one or more terminals be revised as second address information；

The endpoint of a tunnel network element is according to the second message, by one in corresponding first group of first group identification Or the address information recording of the user plane functions network element of multiple terminals is second address information.

4. communication means according to claim 3, which is characterized in that one or more terminal packets in first group Include first terminal；

Wherein, before the endpoint of a tunnel network element receives second message from conversation management functional network element, the communication means is also wrapped It includes:

The endpoint of a tunnel network element receives first message from the conversation management functional network element, includes first in the first message First address information of the mark of terminal, first group identification and the first user plane functions network element, for requesting to be described First terminal creates Packet Data Unit session；

The endpoint of a tunnel network element generates the context of the first terminal according to the first message, and in the upper of first terminal The group identification for hereinafter recording the first terminal is first group identification, and records the user of the first terminal The address information of face functional network element is first address information；

The endpoint of a tunnel network element is according to the second message, by one in corresponding first group of first group identification Or the address information recording of the user plane functions network element of multiple terminals is second address information, comprising:

The endpoint of a tunnel network element is according to the second message, by the address information of the user plane functions network element of the first terminal In first address information be revised as second address information.

5. a kind of communication means characterized by comprising

The conversation management functional network element knows the first user plane functions network element of the first terminal；

The conversation management functional network element knows the first group identification of the first terminal；

The conversation management functional network element sends first message to endpoint of a tunnel network element, includes first terminal in the first message Mark, the first address information of the first group identification and the first user plane functions network element, for request be described first Terminal creates Packet Data Unit session.

6. communication means according to claim 5, which is characterized in that the communication means further include:

The conversation management functional network element knows that the associated user plane functions network element of the first address field needs to be revised as second user Face functional network element；

The conversation management functional network element knows first group identification, wherein first group identification and described first Address field is corresponding；

The conversation management functional network element sends second message to the endpoint of a tunnel network element, includes described in the second message Second address information of the first group identification and second user face functional network element, for requesting first group identification The address information of the user plane functions network element of one or more terminals in corresponding first group is revised as second address Information.

7. a kind of communication means characterized by comprising

Conversation management functional network element knows that the associated user plane functions network element of the first address field needs to be revised as second user face function It can network element；

The conversation management functional network element knows the first group identification, wherein first group identification and first address Section is corresponding；

The conversation management functional network element sends second message to endpoint of a tunnel network element, includes described first in the second message Second address information of group identification and second user face functional network element, it is for requesting that first group identification is corresponding The first group in the address informations of user plane functions network element of one or more terminals be revised as second address information.

8. communication means according to claim 7, which is characterized in that one or more terminal packets in first group Include first terminal；

Wherein, before the conversation management functional network element sends the second message to the endpoint of a tunnel network element, the communication Method further include:

The conversation management functional network element, which determines, to be needed to create Packet Data Unit session for the first terminal；

The conversation management functional network element knows first group identification of the first terminal；

The conversation management functional network element sends first message to the endpoint of a tunnel network element, includes first in the first message First address information of the mark of terminal, first group identification and the first user plane functions network element, for request be The first terminal creates Packet Data Unit session.

9. the communication means according to claim 5 or 8, which is characterized in that the conversation management functional network element is known described First group identification of first terminal, comprising:

The conversation management functional network element obtains the address information of the first terminal；

The conversation management functional network element determines that the address of the first terminal belongs to according to the address information of the first terminal First address field；

The conversation management functional network element determines first group identification according to first address field.

10. the communication means according to claim 5 or 8, which is characterized in that the conversation management functional network element is known described First group identification of first terminal, comprising:

The conversation management functional network element receives the first instruction information, first instruction from the first user plane functions network element The group identification that information is used to indicate the first terminal is first group identification；

The conversation management functional network element determines first group identification according to the first instruction information.

11. communication means according to claim 6 or 7, which is characterized in that the conversation management functional network element knows first Group identification, comprising:

The conversation management functional network element determines corresponding with first address field described first according to first address field Group identification.

12. communication means according to claim 6 or 7, which is characterized in that the conversation management functional network element knows first Group identification, comprising:

The group identification recorded in the context of the first terminal is determined as described first by the conversation management functional network element Group identification.

13. communication means according to claim 6 or 7, which is characterized in that the conversation management functional network element knows first The associated user plane functions network element of address field needs to be revised as second user face functional network element, comprising:

The conversation management functional network element according to the load information of the current associated user plane functions network element of first address field, Determine that the associated user plane functions network element of the first address field needs to be revised as second user face functional network element.

14. communication means according to claim 6 or 7, which is characterized in that the conversation management functional network element knows first The associated user plane functions network element of address field needs to be revised as second user face functional network element, comprising:

The conversation management functional network element receives second indication information from the first network element, and the second indication information is used to indicate institute It states the associated user plane functions network element of the first address field and needs to be changed to second user face functional network element；

The conversation management functional network element determines the associated user face function of first address field according to the second indication information Energy network element needs to be changed to second user face functional network element.

15. a kind of communication device characterized by comprising

Receiving module includes first terminal in the first message for receiving first message from conversation management functional network element Mark, the first address information of the first group identification and the first user plane functions network element are that the first terminal is created for requesting Build Packet Data Unit session；

Processing module, for generating the context of the first terminal according to the first message, and in the first terminal The group identification that the first terminal is recorded in context is first group identification, and records the use of the first terminal The address information of family face functional network element is first address information.

16. communication device according to claim 15, which is characterized in that the receiving module is also used to from the session pipe It manages functional network element and receives second message, include first group identification and second user face functional network element in the second message The second address information, for requesting the use of one or more terminals in corresponding first group of first group identification The address information of family face functional network element is revised as second address information；

The processing module is also used to determine the first terminal according to first group identification in the second message, and First address information in the address information of the user plane functions network element of the first terminal is revised as second ground Location information.

17. a kind of communication device characterized by comprising

Receiving module includes that the first group marks in the second message for receiving second message from conversation management functional network element The second address information with second user face functional network element is known, for requesting corresponding first group of first group identification In the address informations of user plane functions network element of one or more terminals be revised as second address information；

Processing module, for according to the second message, by one in corresponding first group of first group identification or The address information recording of the user plane functions network element of multiple terminals is second address information.

18. communication device according to claim 17, which is characterized in that one or more terminals in first group Including first terminal；

Wherein, the receiving module is also used to: before receiving second message from conversation management functional network element, from the session management Functional network element receives first message, includes mark, first group identification and first of first terminal in the first message First address information of user plane functions network element is that the first terminal creates Packet Data Unit session for requesting；

The processing module is also used to generate the context of the first terminal according to the first message, and in first terminal The group identification that the first terminal is recorded in context is first group identification, and records the use of the first terminal The address information of family face functional network element is first address information；

The processing module is specifically used for according to the second message, by the address of the user plane functions network element of the first terminal First address information in information is revised as second address information.

19. a kind of communication device characterized by comprising

Processing module needs to create Packet Data Unit session for first terminal for determining；

The processing module is also used to know the first user plane functions network element of the first terminal；

The meeting processing module is also used to know the first group identification of the first terminal；

Sending module, include for sending first message to endpoint of a tunnel network element, in the first message first terminal mark, First address information of the first group identification and the first user plane functions network element is that the first terminal creates for requesting Packet Data Unit session.

20. communication device according to claim 19, which is characterized in that the processing module is also used to:

Know first group identification, wherein first group identification is corresponding with first address field；

The sending module is also used to send second message to the endpoint of a tunnel network element, includes described the in the second message Second address information of one group identification and second user face functional network element, for requesting first group identification pair The address information of the user plane functions network element for the one or more terminals in the first group answered is revised as the second address letter Breath.

21. a kind of communication device characterized by comprising

Processing module, for knowing that the associated user plane functions network element of the first address field needs to be revised as second user face function network Member；

The processing module is also used to know the first group identification, wherein first group identification and first address field It is corresponding；

The sending module is used to send second message to endpoint of a tunnel network element, includes first group in the second message Second address information of mark and second user face functional network element, for requesting first group identification corresponding the The address information of the user plane functions network element of one or more terminals in one group is revised as second address information.

22. communication device according to claim 21, which is characterized in that one or more terminals in first group Including first terminal；

Wherein, before sending the second message to the endpoint of a tunnel network element, the processing module is also used to:

It determines and needs to create Packet Data Unit session for the first terminal；

Know the first user plane functions network element of the first terminal；

Know first group identification of the first terminal；

The sending module is also used to send first message to the endpoint of a tunnel network element, includes first whole in the first message First address information of the mark at end, first group identification and the first user plane functions network element, for requesting as institute State first terminal creation Packet Data Unit session.

23. communication device described in 9 or 22 according to claim 1, which is characterized in that the processing module is specifically used for:

Obtain the address information of the first terminal；

According to the address information of the first terminal, determine that the address of the first terminal belongs to the first address field；

First group identification is determined according to first address field.

24. communication device described in 9 or 22 according to claim 1, which is characterized in that the communication device further includes receiving mould Block, the receiving module are used to receive the first instruction information, the first instruction information from the first user plane functions network element The group identification for being used to indicate the first terminal is first group identification；

The processing module is specifically used for determining first group identification according to the first instruction information.

25. the communication device according to claim 20 or 21, which is characterized in that the processing module is specifically used for according to institute It states the first address field and determines first group identification corresponding with first address field.

26. the communication device according to claim 20 or 21, which is characterized in that the processing module is specifically used for:

The group identification recorded in the context of the first terminal is determined as first group identification.

27. the communication device according to claim 20 or 21, which is characterized in that the processing module is specifically used for:

According to the load information of the current associated user plane functions network element of first address field, determine that the first address field is associated User plane functions network element needs to be revised as second user face functional network element.

28. the communication device according to claim 20 or 21, which is characterized in that the communication device further includes receiving mould Block, the receiving module are used for:

Second indication information is received from the first network element, the second indication information is used to indicate the associated use of the first address field Family face functional network element needs to be changed to second user face functional network element；

The processing module is specifically used for determining the associated user face function of first address field according to the second indication information Energy network element needs to be changed to second user face functional network element.

29. any in the communication means or 20,21,22,25 to 28 according to any one of claim 6,7,8,11 to 14 Communication device described in, which is characterized in that first address field corresponds to one or more group identification, group's mark It include first group identification in knowledge.

30. according to claim 1, communication means described in any one of 2,4 to 6 and 8 to 10 or 15,16,18 to 20 and Communication device described in any one of 22 to 24, which is characterized in that the first message is that Packet Data Unit conversation establishing is asked Seek message.

31. communication means according to any one of in claim 2 to 4,6 to 8 and 11 to 14 or 16 to 18,20 to Communication device described in any one of 22 and 25 to 28, the second message are that Packet Data Unit session modification request disappears Breath.

32. a kind of computer storage medium, which is characterized in that storage is used for communication device in the computer readable storage medium The program code of execution, said program code include for communication means described in any one of perform claim requirement 1 to 14 Instruction.